Chemistry

Subdecks (2)

Cards (19)

  • Chemical change
    Involves making and/or breaking chemical bonds. A new substance is made. They are hard to reverse.
  • Physical change
    Changes the form of a substance, but not the substance itself. They are easier to reverse.
  • Examples of chemical/physical changes
    • Combusting
    • Melting
    • Neutralising
    • Boiling
    • Rusting
    • Diffusing
    • Cooking
    • Breathing
    • Respiring
    • Dissolving
  • Common observations of changes
    • Colour
    • State
    • Light
    • Temperature
  • Boiling the same kettle of water again and again
    Physical change
  • Setting off a firework
    Chemical change
  • Physical changes are easier to reverse than chemical changes